mjx-container[display="block"] {
    display: block;
    margin: 1em 0;
}

body {
    margin: 0;
    padding: 0;
    border: 0;
    background-color: #ddd;
}

.toolbar ul {
    margin: 0;
    padding: 0;
    list-style-type: none;
    overflow: hidden;
    background-color: #333;
}

.toolbar li {
    float: left;
}

.toolbar a {
    display: block;
    width: 60px;
    color: white;
    text-align: center;
    padding: 14px 16px;
    font-size: larger;
    text-decoration: none;
}

.toolbar a:hover {
    background-color: #222;
}

.left_content {
    float: left;
    background: #ddd;
    width: 50%;
    padding: 0;
}


.right_content {
    float: right;
    background: #ddd;
    width: 50%;
    padding: 0;
    height: 0;
}

.content-title {
    margin-left: 20px;
    margin-bottom: 0;
    color: #333333;
    font-size: medium;
}
.text{
    margin: 20px 20px 20px 18px;
}
textarea {
    width: 98%;
    min-width: 98%;
    max-width: 98%;
    height: 300px;
    max-height: 300px;
    min-height: 60px;
    padding: 1%;
    border: 0 none;
    outline: none;
    text-align: left;
    font-size: large;
}

.btn button{
    line-height: 15px;
    font-size: 15px;
    padding: 10px;
    margin: 20px;
}

.result-title{
    margin-left: 20px;
    margin-bottom: 0;
    color: #333333;
    font-size: medium;

}

iframe{
    width: 100%;
    height: 100%;
}
